v3.25.4
Goodwill - Key assumptions used to estimate the recoverable amounts (Details)
Dec. 31, 2025
Bell CTS | Canadian  
Disclosure of information for cash-generating units [line items]  
Perpetuity growth rate 1.50%
Discount rate 7.00%
Bell CTS | Foreign  
Disclosure of information for cash-generating units [line items]  
Perpetuity growth rate 3.50%
Discount rate 9.00%
Bell Media Inc.  
Disclosure of information for cash-generating units [line items]  
Perpetuity growth rate 0.50%
Discount rate 10.80%